Home / 2,747.06-4,118.63-1,285.41

Finding the Fourth Proportional to 2,747.06, 4,118.63 and 1,285.41

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Solution

The fourth proportional to 2,747.06, 4,118.63 and 1,285.41 is: 1,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.06 : 4,118.63 = 1,285.41 : x
  2. Step 2: Convert to fraction form
    2,747.06/4,118.63 = 1,285.41/x
  3. Step 3: Cross multiply
    2,747.06x = 4,118.63 × 1,285.41
  4. Step 4: Simplify right side
    2,747.06x = 5,294,137.21
  5. Step 5: Solve for x
    x = 5,294,137.21/2,747.06
  6. Step 6: Final answer
    x = 1,927.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.